Topic
- Hydrogeology 3
- Pipelines 3
- Reservoirs 3
- Resource allocation 3
- Armed Forces 2
- Arms race 2
- Climate 2
- Contamination of environment 2
- Droughts 2
- Industries 2
- Iran-Iraq War, 1980-1988 2
- Natural resources 2
- Persian Gulf War, 1991 2
- Precipitation (Meteorology) 2
- Reclamation of land 2
- Sewage 2
- Water diversion 2
- Al-Wehda Dam (Jordan) 1
- Archaeology 1
- Atatürk Dam (Turkey) 1